Carrier profile · USDOT 4494743 · Updated Jun 13, 2026

GRADE 1 INSULATION LLC

DBA GRADE 1 INSULATION

3 power unitsavg 7 yrLocal · 1 statesHAMPTON, NH50/100
AUTHORITY STATUS UNKNOWN
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Operations & Lanes

Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal
revealed
States observed1
US states
Inspections · 24 mo1
NH busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
HAMPTON, NH
51 DRAKESIDE RD
Top corridor
NH
NH 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · GRADE 1 INSULATION LLC · trailing 24 months
StateCoverageInspections
NHNew HampshireHQ1